48 LED Batteries Operated Light Outdoor Night Patio Beach Umbrella Camping Hiking Tent UFO Lantern Fits Umbrella Poles Diameter: 1 1/2" (3.8cm) 2 modes switch: 24 LEDs lighting (one-push) & 48 LEDs lighting (double-push). Bright & long lasting - 48 low-consumption LED lights, 100,000 hours life expectancy. Weatherproof - the outer shell of item is made of heavy duty ABS plastic. Powered by 4 pcs AA batteries. (Batteries not included)